package com.code4lazy.interceptor;

import com.alibaba.druid.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author geekforfree
 * DATE   2018/3/18
 */


public class AdminInterceptor implements HandlerInterceptor{

    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        //得到 session
        Integer userid=(Integer) httpServletRequest.getSession().getAttribute("userid");

        if((userid!=null))
        {
            return true;
        }else{
            httpServletResponse.sendRedirect("/");
            return false;
        }
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
